Mobile OS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Mobile OS Interview Questions

Questions Answers Views Company eMail

What’s the difference between an “app id” and a “bundle id” and what is each used for?

956

What is a category and when is it used?

963

What are “strong” and “weak” references? Why are they important and how can they be used to help control memory management and avoid memory leaks?

819

What are the limits of accessibility ?

915

Explain the characteristics of ios?

884

Explain place holder constraint

846

Explain differences between foundation and corefoundation

888

What is auto-layout?

957

What is the difference between let and var in swift?

967

What is the difference between atomic and non-atomic properties? Which is the default for synthesized properties? When would you use one over the other?

820

Explain the difference between copy and retain?

988

What is the difference between synchronous & asynchronous task ?

970

Why do you generally create a weak reference when using self in a block?

924

what’s accessibilityhint?

911

What is made up of nserror object?

905

Un-Answered Questions { Mobile OS }

Define autorealease pool?

918

You must declare all application components in manifest file in this way?

973

Explain sensors in android.

1053

Will iphone 7 get ios 13?

824

Which dialog boxes can you use in you Android application?

993

What are the methods to avoid memory leaks in android?

961

What is the use of linux id in android?

946

What is latest ios version?

980

How is swift different from objective-c?

892

Is swift pass by reference?

883

Can I turn article photos off?

1018

What is message forwarding?

877

how do you declare 4 components of android in mainfestfile?

907

What is strong in ios?

854

What is the difference between viewmodel and androidviewmodel?

1020

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